*{ padding:0; padding:0;}
li {list-style: none;}
a {text-decoration: none;color: #333333;}
.px2rem(@name, @px){
    @{name}: @px / 75 * 1rem;
}

//定位
.top (@top){.px2rem(top, @top);}
.left (@left){.px2rem(left, @left);}
.right (@right){.px2rem(right, @right);}
.bottom (@bottom){.px2rem(bottom, @bottom);}

.border-radius(@arg){.px2rem(border-radius, @arg);}
.border-radius(@arg){.px2rem(border-top-left-radius, @arg);}
.border-radius(@arg){.px2rem(border-bottom-left-radius, @arg);}

.webkit{
    display: flex;
    display: -webkit-flex;
}
.line-height(@arg){.px2rem(line-height, @arg);}
.font-size(@arg){.px2rem(font-size, @arg);}

.font(@fz,@color){
    .px2rem(font-size,@fz);
    color: @color;
}
.border-bottom(@px,@xian,@color){
    .px2rem(border-bottom-width,@px);
    border-bottom-style: @xian;
    border-bottom-color: @color;
}
.border-top(@px,@xian,@color){
    .px2rem(border-top-width,@px);
    border-top-style: @xian;
    border-top-color: @color;
}
.border-right(@px,@xian,@color){
    .px2rem(border-right-width,@px);
    border-right-style: @xian;
    border-right-color: @color;
}
.border-left(@px,@xian,@color){
    .px2rem(border-left-width,@px);
    border-left-style: @xian;
    border-left-color: @color;
}
.border(@px,@xian,@color){.px2rem(border-width,@px);border-style: @xian; border-color: @color;}

.padding-top(@top){.px2rem(padding-top, @top);}
.padding-right(@right){.px2rem(padding-right, @right);}
.padding-bottom(@bottom){.px2rem(padding-bottom, @bottom);}
.padding-left(@left){.px2rem(padding-left, @left);}

.padding(@top,@right,@bottom,@left){
   .px2rem(padding-top,@top);
   .px2rem(padding-right,@right);
   .px2rem(padding-bottom,@bottom);
   .px2rem(padding-left,@left);
}

.margin-top(@top){.px2rem(margin-top, @top);}
.margin-right(@right){.px2rem(margin-right, @right);}
.margin-bottom(@bottom){.px2rem(margin-bottom, @bottom);}
.margin-left(@left){.px2rem(margin-left, @left);}

.margin(@top,@right,@bottom,@left){
   .px2rem(margin-top,@top);
   .px2rem(margin-right,@right);
   .px2rem(margin-bottom,@bottom);
   .px2rem(margin-left,@left);
}
body {
    background: #f2f2f2;
    height: 100%;
    width: 100%;
}
html {
    background: #f2f2f2;
    height: 100%;
    width: 100%;
}
nav {
    .px2rem(height,192);
    background: url(../img/yujishouyibeijing.png);
    text-align: center;   
    .top {
        .font(28,#ffffff);
        .padding-top(34);
    }
    .bottom{
        .font(55,#ffffff);
        .padding-top(40);
    }
    .bottom span {
        .font(32,#ffffff);
        .margin-right(20);
    }
}
.section3 {
    .webkit();
    justify-content: space-between;
    text-align: center;
    .font(26,#363636);
    .margin-top(15);
    .px2rem(height,130);
    background: #fff;
    .left {
        .margin-left(95);
    }
    .right {
        .margin-right(66);
    }
    dl dd {       
        .font(29,#e4010d);
        .margin-top(28);
    }
    dl dd span {
        .font(19,#e4010d);
        .margin-right(5);
    }
    dl {
        .margin-top(25);
    }
}
.section1 {   
    .margin-top(15);
    background: #fff;
    .wrap {
    .webkit();
    justify-content: space-between;
    .px2rem(height,85);
    .line-height(85);
    .border-bottom (1,solid,#d2d2d2);
    .margin-left(30);
    }
    .left {
        .margin-left(50);
    }
    .right {
        .margin-right(80);
    }
}
.section2 {   
    text-align: center;   
    background: #fff;
    .wrap {
    .webkit();
    justify-content: space-between;
    .px2rem(height,97);
    .line-height(97);
    .border-bottom (1,solid,#d2d2d2);
    .margin-left(30);
    
    }
    .left {
        text-align: center;
        .px2rem(height,97);
        .line-height(97);
        .px2rem(width,185);
    text-align: center;
    }
    .right {
        .margin-right(40);
        .px2rem(height,97);
        text-align: center;
        .line-height(97);       
    }
}
footer {
    .webkit();
    justify-content: space-between;
    .px2rem(height,100);
    text-align: center;
    .margin-top(18);
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background: #fff;   
    dl dt img {
       .px2rem(width,41);
        .px2rem(height,41); 
    }
    .left {
        .margin-left(53);
    }
    .right {
        .margin-right(54);
    }
    dl dt {
        .margin-bottom(10);
    }
    dl {
        .margin-top(15);
    }
}















































































































